654012892 has 24 divisors (see below), whose sum is σ = 1234869776. Its totient is φ = 301287168.

The previous prime is 654012881. The next prime is 654012893. The reversal of 654012892 is 298210456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654012893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16948 + ... + 39940.

Almost surely, 2^654012892 is an apocalyptic number.

It is an amenable number.

654012892 is a deficient number, since it is larger than the sum of its proper divisors (580856884).

654012892 is a wasteful number, since it uses less digits than its factorization.

654012892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23557 (or 23555 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 654012892 is about 25573.6757623929. The cubic root of 654012892 is about 868.0180770938.

The spelling of 654012892 in words is "six hundred fifty-four million, twelve thousand, eight hundred ninety-two".